Class 2 Tungsten vs. C65400 Bronze

Class 2 tungsten belongs to the otherwise unclassified metals classification, while C65400 bronze belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is class 2 tungsten and the bottom bar is C65400 bronze.

Class 2 Tungsten UNS C65400 Silicon Bronze

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		260
Elastic (Young's, Tensile) Modulus, GPa		110

Elongation at Break, %		5.7
Elongation at Break, %		2.6 to 47

Poisson's Ratio		0.28
Poisson's Ratio		0.34

Shear Modulus, GPa		100
Shear Modulus, GPa		43

Tensile Strength: Ultimate (UTS), MPa		860
Tensile Strength: Ultimate (UTS), MPa		500 to 1060

Tensile Strength: Yield (Proof), MPa		580
Tensile Strength: Yield (Proof), MPa		170 to 910

Thermal Properties

Latent Heat of Fusion, J/g		160
Latent Heat of Fusion, J/g		260

Specific Heat Capacity, J/kg-K		120
Specific Heat Capacity, J/kg-K		400

Thermal Conductivity, W/m-K		20
Thermal Conductivity, W/m-K		36

Thermal Expansion, µm/m-K		4.6
Thermal Expansion, µm/m-K		17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		13
Electrical Conductivity: Equal Volume, % IACS		7.0

Electrical Conductivity: Equal Weight (Specific), % IACS		7.8
Electrical Conductivity: Equal Weight (Specific), % IACS		7.3

Otherwise Unclassified Properties

Density, g/cm³		15
Density, g/cm³		8.7

Embodied Carbon, kg CO₂/kg material		23
Embodied Carbon, kg CO₂/kg material		2.8

Embodied Energy, MJ/kg		350
Embodied Energy, MJ/kg		45

Embodied Water, L/kg		140
Embodied Water, L/kg		310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		44
Resilience: Ultimate (Unit Rupture Work), MJ/m³		10 to 480

Resilience: Unit (Modulus of Resilience), kJ/m³		640
Resilience: Unit (Modulus of Resilience), kJ/m³		130 to 3640

Stiffness to Weight: Axial, points		9.6
Stiffness to Weight: Axial, points		7.3

Stiffness to Weight: Bending, points		14
Stiffness to Weight: Bending, points		19

Strength to Weight: Axial, points		16
Strength to Weight: Axial, points		16 to 34

Strength to Weight: Bending, points		13
Strength to Weight: Bending, points		16 to 27

Thermal Diffusivity, mm²/s		11
Thermal Diffusivity, mm²/s		10

Thermal Shock Resistance, points		52
Thermal Shock Resistance, points		18 to 39

Alloy Composition

Chromium (Cr), %		0
Chromium (Cr), %		0.010 to 0.12

Copper (Cu), %		0
Copper (Cu), %		93.8 to 96.1

Lead (Pb), %		0
Lead (Pb), %		0 to 0.050

Silicon (Si), %		0
Silicon (Si), %		2.7 to 3.4

Tin (Sn), %		0
Tin (Sn), %		1.2 to 1.9

Tungsten (W), %		92.5
Tungsten (W), %		0

Zinc (Zn), %		0
Zinc (Zn), %		0 to 0.5

Residuals, %		0
Residuals, %		0 to 0.2